test-lib: Make the test_external_* functions TAP-aware

diff --git a/t/t7005-editor.sh b/t/t7005-editor.sh
index 25b6d2e67c443efbc9e20edb43ef2df89a40db3c..fe60d699a3d6d00a734e9f0bbc502828c5244b7e 100755 (executable)
--- a/t/t7005-editor.sh
+++ b/t/t7005-editor.sh
@@ -13,7 +13,7 @@ test_expect_success 'determine default editor' '
 
 '
 
-if ! expr "$vi" : '^[a-z]*$' >/dev/null
+if ! expr "$vi" : '[a-z]*$' >/dev/null
 then
        vi=
 fi